I'm looking for an installable or hosted software (service) to handle the process of public users subscribing to the Magazine and receiving the PDF automatically upon an admin upload the new one.
The system will have to:

1 Answer
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MagCloud is a print-on-demand magazine service from HP that lets you offer digital versions of your issues. There's a potential problem in that they seem primarily focused on the print side, and it's unclear to me from their basic information if you can offer the digital versions only. You should be able to determine that quickly while evaluating.